oj.uz

Submission #943890

# Submission time Handle Problem Language Result Execution time Memory
943890 2024-03-12T03:41:36 Z Boycl07 Gap (APIO16_gap) C++17
100 / 100
 45 ms 3876 KB 
#include "gap.h"
#include <bits/stdc++.h>

using namespace std;

typedef long long ll;

#define rep(i, n) for(int i = 1; (i) <= (n); ++i)
#define forn(i, l, r) for(int i = (l); i <= (r); ++i)
#define ford(i, r, l) for(int i = (r); i >= (l); --i)
#define FOR(i, n) for(int i = 0; i < (n); ++i)
#define FORD(i, n) for(int i = ((n) - 1); i >= 0; --i)
#define fi first
#define se second
#define pii pair<int, int>
#define pll pair<ll, ll>
#define pb push_back
#define endl "\n"
#define task "firework"
#define sz(a) int(a.size())
#define C(x, y) make_pair(x, y)
#define all(a) (a).begin(), (a).end()
#define bit(i, mask) (mask >> i & 1)

template<typename T> bool maximize(T &res, const T &val) { if (res < val){ res = val; return true; }; return false; }
template<typename T> bool minimize(T &res, const T &val) { if (res > val){ res = val; return true; }; return false; }

inline int readInt()       {char c;while(c=getchar(),c!='-'&&(c<'0'||c>'9'));bool sign=(c=='-');if(sign)c=getchar();int n=c-'0';while(c=getchar(),c>='0'&&c<='9')n=10*n+c-'0';return(!sign)?n:-n;}
inline ll readLong()       {char c;while(c=getchar(),c!='-'&&(c<'0'||c>'9'));bool sign=(c=='-');if(sign)c=getchar();ll  n=c-'0';while(c=getchar(),c>='0'&&c<='9')n=10*n+c-'0';return(!sign)?n:-n;}
inline string readString() {char c;while(c=getchar(),c==' '||c=='\n'||c=='\t');string s({c});while(c=getchar(),c!=EOF&&c!=' '&&c!='\n'&&c!='\t')s+=c;return s;}

static int subtask_num, N;
static long long A[100001];
static long long call_count;

void MinMax(long long, long long, long long*, long long*);

ll findGap(int T, int N)
{
    vector<ll> a(N + 2);
    if(T == 1)
    {
        int l = 1, r = N;
        ll lb = 0, rb = 1e18;
        while(l <= r)
        {
            ll x, y;
            MinMax(lb, rb, &a[l], &a[r]);
            lb = a[l++] + 1;
            rb = a[r--] - 1;
        }
        ll res = 0;
        rep(i, N - 1) maximize(res, a[i + 1] - a[i]);
        return res;
    }
    ll x, y;
    MinMax(0, 1e18, &x, &y);
    a[1] = x, a[N] = y;
    ll res = 0;
    ll Min_step = (a[N] - a[1] - 1) / (N - 1) + 1;
    if(N == 2) return a[N] - a[1];
    for(ll i = a[1], pre = a[1]; i <= a[N]; i += Min_step + 1)
    {
        MinMax(i, i + Min_step, &x, &y);
        if(x != -1) maximize(res, x - pre), pre = y;
    }
    return res;
}

Compilation message

gap.cpp: In function 'll findGap(int, int)':
gap.cpp:47:16: warning: unused variable 'x' [-Wunused-variable]
   47 |             ll x, y;
      |                ^
gap.cpp:47:19: warning: unused variable 'y' [-Wunused-variable]
   47 |             ll x, y;
      |                   ^
gap.cpp: At global scope:
gap.cpp:34:18: warning: 'call_count' defined but not used [-Wunused-variable]
   34 | static long long call_count;
      |                  ^~~~~~~~~~
gap.cpp:33:18: warning: 'A' defined but not used [-Wunused-variable]
   33 | static long long A[100001];
      |                  ^
gap.cpp:32:25: warning: 'N' defined but not used [-Wunused-variable]
   32 | static int subtask_num, N;
      |                         ^
gap.cpp:32:12: warning: 'subtask_num' defined but not used [-Wunused-variable]
   32 | static int subtask_num, N;
      |            ^~~~~~~~~~~

Subtask #1
30.0 / 30.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 1 ms 2392 KB Output is correct
4 Correct 1 ms 2392 KB Output is correct
5 Correct 0 ms 2392 KB Output is correct
6 Correct 1 ms 2392 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 0 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 0 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 8 ms 2656 KB Output is correct
17 Correct 8 ms 2588 KB Output is correct
18 Correct 8 ms 2592 KB Output is correct
19 Correct 9 ms 2680 KB Output is correct
20 Correct 7 ms 2568 KB Output is correct
21 Correct 30 ms 3604 KB Output is correct
22 Correct 30 ms 3616 KB Output is correct
23 Correct 31 ms 3624 KB Output is correct
24 Correct 30 ms 3624 KB Output is correct
25 Correct 27 ms 3784 KB Output is correct
26 Correct 31 ms 3624 KB Output is correct
27 Correct 30 ms 3624 KB Output is correct
28 Correct 31 ms 3864 KB Output is correct
29 Correct 31 ms 3624 KB Output is correct
30 Correct 25 ms 3872 KB Output is correct
31 Correct 1 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct

Subtask #2
70.0 / 70.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 2392 KB Output is correct
2 Correct 1 ms 2392 KB Output is correct
3 Correct 0 ms 2392 KB Output is correct
4 Correct 0 ms 2392 KB Output is correct
5 Correct 1 ms 2392 KB Output is correct
6 Correct 1 ms 2388 KB Output is correct
7 Correct 1 ms 2392 KB Output is correct
8 Correct 1 ms 2392 KB Output is correct
9 Correct 1 ms 2392 KB Output is correct
10 Correct 1 ms 2392 KB Output is correct
11 Correct 1 ms 2392 KB Output is correct
12 Correct 1 ms 2392 KB Output is correct
13 Correct 1 ms 2392 KB Output is correct
14 Correct 1 ms 2392 KB Output is correct
15 Correct 1 ms 2392 KB Output is correct
16 Correct 10 ms 2588 KB Output is correct
17 Correct 10 ms 2820 KB Output is correct
18 Correct 12 ms 2584 KB Output is correct
19 Correct 10 ms 2752 KB Output is correct
20 Correct 6 ms 2572 KB Output is correct
21 Correct 41 ms 3876 KB Output is correct
22 Correct 41 ms 3624 KB Output is correct
23 Correct 41 ms 3624 KB Output is correct
24 Correct 41 ms 3628 KB Output is correct
25 Correct 39 ms 3620 KB Output is correct
26 Correct 45 ms 3556 KB Output is correct
27 Correct 41 ms 3628 KB Output is correct
28 Correct 41 ms 3620 KB Output is correct
29 Correct 44 ms 3624 KB Output is correct
30 Correct 23 ms 3624 KB Output is correct
31 Correct 0 ms 2392 KB Output is correct
32 Correct 1 ms 2392 KB Output is correct